On the one hand, the decline in the price of cold drawn pipes is due to the slow release of actual demand. Due to the weakening of construction projects, the demand for steel in peak seasons has not met expectations, and social inventory depletion is not significant. In the week of September 18, the social inventory of cold drawn pipes declined slightly after four consecutive weeks of recovery, and was still 35.3% higher than the same period last year. Among them, building materials were 54.2% higher and sheet materials were 9.5% higher. The supply is also high. Data from the National Bureau of Statistics show that in August, the output of steel was 119.13 million tons, an increase of 11.3% year-on-year. Among them, the output of steel bar, cold-rolled sheet and medium-thick and wide steel strip increased by 9.2%, 5.3% and 19.2 respectively. %; China Iron and Steel Association data shows that in mid-September, the average daily crude steel output of key steel enterprises was 2.146 million tons, an increase of 0.4% month-on-month and 1.9% year-on-year. On the other hand, there are concerns about expectations. Macro data shows that from January to August, the improvement of fixed asset investment has slowed down. Among them, the cumulative growth rate of infrastructure investment, which has been placing high expectations, has not yet turned positive. In terms of real estate, as the policy changes Gradually tightened, land purchases and new construction start were the first to be affected. In August, the area of land purchases grew negative year-on-year, and the growth rate of newly started area dropped sharply, which triggered market concerns about the demand for construction steel in the fourth quarter.
Cold drawn pipe is a kind of steel pipe, which is classified according to different production processes, which is different from hot rolled (expanded) pipe. In the process of expanding the diameter of the blank tube or the raw material tube, it is processed by multiple passes of cold drawing, usually on a single-chain or double-chain cold drawing machine of 0.5-100T. Cold rolled (dial) steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, machined pipes, thick-walled pipes, small-diameter cold drawn pipes with internal molds and other steel pipes , Also includes carbon thin-wall steel pipe, alloy thin-wall steel pipe, stainless thin-wall steel pipe, special-shaped steel pipe. The outer diameter of cold drawn steel pipe can reach 6mm, the wall thickness can reach 0.25mm, and the outer diameter of thin-walled pipe can reach 5mm. The wall thickness is less than 0.25mm. The precision and surface quality are obviously better than that of hot-rolled (expanded) pipe. Restrictions, its caliber and length are subject to certain restrictions.
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